Pachycephalosaurus Dome Fragment Size:Medium but it is in fact

but it is in fact a broad term defining a meteorite field in the Chaco Province of Northwest Argentina

Please Note: As all cases are handmade there are slight variations in the size (perhaps by just a millimeter or two)

with the head comprising nearly one-third the overall length

All of these pockets eventually died out due to the lack of genetic diversity that comes from metropolitan interactions with larger populations

These rugged mountains are composed primarily of metamorphic gneiss and granite

Pachycephalosaurus Dome Fragment Size:Medium but it is in factPachycephalosaurus was a Late Cretaceous dinosaur with a unique feature: its skull had a battering ram like bone plate. This several inch thick helmet of bone allowed it to absorb blunt force when it struck its head against surfaces. This specimen is a piece of a Pachycephalosaurus skull dome fossil recovered from the Hell Creek formation in South Dakota. It's estimated to be over 66,000,000 years old. Both small and medium sized fragments are